英语中的数字前缀主要有两个来源.doc

英语中的数字前缀主要有两个来源，楼上给出的是希腊源的数字字头，此外很常见的还有拉丁源的数字字头。虽然每个数字都有两种表示，但由于语源学的原因，这两种来源的数字前缀往往出现在不同类型的单词中。拉丁数字前缀如下：1 uni2 bi/duo3 tri4quadri/quart5quinque/quint6 sex(t)/se7 sept8 oct9 nonus/novem10 dec(a)/de11 dec/unde12 duodec/duode13 tredec/tridec14 quatuodec15 quindec(c)16 sede(c)17 septende(c)18 decennoct19 decennov20 vige/vice21 unviginti22 duoviginti23 treviginti24quattuorviginti25 quinviginti26 sexviginti27 septenviginti28 octoviginti 拉丁源的前缀与不同的后缀结合多用于:数学基数 decimal 关系形容词 quaternary音乐家组合 quartet表示倍数的词 triple表示两个事件之间相隔的年份 quinquennial表示有关方面的数目 bilateral表示大数、幂的词 trillion叶数或花或叶的瓣数 trifoliate化学键 trivalent希腊数字前缀如下：1 mono2 di/dy3 tri4 tetra5 penta6 hex7 hept8 oct9 ennea10 dec(a)11hendec(a)12 dodec(a)13triskaideca/trideca14tetrakaideca/tetradeca15 pendeca16 hexadeca17heptadeca18 octodeca19 enneadeca20 icos(a)21 henicosa22doicosa23triicosa24 tetraicosa25 pentaicosa26 hexaicosa27 heptaicosa28 octaicosa 希腊源的前缀与不同的后缀结合多用于:平面图形的边数 pentagon立体图形的面数 dodecahedron某形状或线条的角数 triangle统治者的成员个数 monarchy诗歌的步格数 heptameter一个集合中的元素数 triad田径比赛的项目数 pentathlon 英语词根词源数字篇uni- 表示一,单一的bi- 表示二,二的ambi- 表示二,二者tri- 表示三,三倍quadri- 表示四,四倍=OneUni-1.unicorn / / n.独角兽mythical animal resembling a horse with a single straight horn projecting form its foreheaduni- (one)+corn (horn)2.uniform/ /adj.相同的、无变化的not changing in form or character ; unvaryingn.制服distinctive clothing worn by all members of an organizationuni- (one)+forme.g. : The house was kept at a uniform temperature.3.unique/ /adj.唯一的、独特的being the only one ;have no like or equale.g. : Her designs are quite unique in todays fashion scene.4.unanimous/ /adj.意见一致的；一致同意的all agreeing on a decision or an opinionuni-(one)+anim (mind)+-ous(形容词词尾)e.g. :He was elected by unanimous vote.=Two, doubleBi-1.bicameral/ /adj.having two legislative chambers（议会）两院制的（如英国的上议院和下议院）bi-(two)+camer (chamber)+-al(形容词尾)e.g. a bicameral system of government两院制政体2biweekly/ /adj.adv.两周一次的（地）;隔周的（地）bi-(two)+week+ly(副词词尾)e.g. We hold our regular meeting biweekly.3.bilingual/ /adj.会两种语言的able to speak, express ,write two languages equal wellbi-(two)+lingua(language)+-al(形容词尾)e.g. He is bilingual in French and Spanish.Di-1.dilemma/ /n.进退两难的窘境situation in which one has to choose between two undesirable thing or courses of actiondi-(double)+lemma(assumption)e.g. The dilemma the doctor faced was whether he should tell the patient the truth.idm on the horns of a dilemma 左右为难2diphthong/ /n.双元音（如au）union of two vowel sounds or vowel lettersdi-(double)+phthong(sound)3.diploma/ /n.文凭；毕业证书（对折的纸）certificate awarded for passing an examinationdi-(double)+ploma(folded)e.g. After graduation, he got a diploma in architecture.Duo- 变化型do-, dou-, du-1.duologue/ /n.对话；（戏剧中的）对白conversation between two peopledou-(two)+logue(speech)2.duplicate/ /adj.完全相同的，复制的identical;twoflod,doubledu-(two)+plic(to fold)+-ate(形容词词尾)e.g. This research merely duplicates work already done elsewhere.3.duel/ /n.v.决斗formal fight between two mene.g. Because of the beautiful girl, Tom challenged Jimmy to duel.Twi-1.twice/ /adj.二倍；二回；二度double; two timese.g. He has twice lied to us.2.twilight/ /n.（日出前的）微明；黄昏（明暗两者之间的光）faint light after sunset or before sunrisee.g. Twilight is a dangerous time for drivers.3.twist/ /v.卷缠；曲解（两个缠在一起）e.g. I twisted the bandage round her knee.=ThreeTri-1.tribe/ /n.种族；一群人；一类人racial group united by language, custom, religion large number of people; set or class peopletri-(three)+be =拉丁文bus (family)e.g. I hate the whole tribe of politicians.词源 古时位于罗马的三个种族the Ramnes, Tities, Luceres中任何一省均称tribe， 此种称法沿用至今。2.trilateral/ /adj.有三边的 n.三边形involving three sides, groups, countriestri-(three)+later(side)+- al(形容词词尾)e.g. After overheated discussion, they reached a trilateral agreement.3.triple/ /adj.三倍的，三部的n.三倍v.使成三倍 having three parts; three timestri-(three)+ple(to fold)e.g. He tripled his income in three years.4.trival/ /adj.不重要的；琐碎的that has little importancetri-(three)+via(way)+- al(形容词词尾)e.g. You should pay great attention to even a trival mistake.=FourQuadri-1.quadruped/ /n.四足兽four-footed animalquadru-(fourfold)+ped(foot)2.quadriplegia/ /n.四肢麻痹quadri-(four)+pleg (paralysis麻痹)+-ia (condition)3.quadrennial/ /adj.持续四年的；每四年一次的lasting for four years; happening every fourth yearquadr-(four)+enn(year)+-ial (形容词词尾)Tetra-1.tetragon/ /n.四角形；方形建筑tetra-(four)+gon(angle)2.tetrahedron/ /n.四面体tetra-(four)+hedr(side)+-on(名词词尾)=FivePenta-1.pentagon/ /n.五角形geometric figure with five sides and anglespenta-(five)+gon(angle)注五角大楼（美国国防部办公处）（位于福吉尼亚州的阿灵顿）the five-sided building department of Defence and the US armed forces2.pentarchy/ /n.五头政治；五国联盟penta-(five)+archy (rule)3.pente-cost/ /n.（犹太人的）五旬节（庆祝收获的节日）Jewish harvest festival that takes place fifty days after the second day of Passover=SixSex-1.sexagenarian/ /n.60-69岁之间的人(person who is) of any age from 60-692.sexpartite/ /adj.分成六部分的sex-(six)+ part + -ite (形容词词尾)3.sexcentenary/ /n. adj.六百周年纪念（的）sex-(six) + cent(hundred)+ en(year)+-ary（形容词兼名词词尾）Hex (a)-1.hexagon/ /n.六角形geometric figure with six sides and angleshexa- (six) + gon(angle)2.hexameter/ /n.有六个韵部的诗行line of verse with six metrical foothexa- (six)+ meter( to measure )=SevenSept-1.septet/ /n.七重奏（曲）；七重唱（曲）piece of music written for a group of seven instruments or singers2.septennial/ /adj.连续七年的；七年一次的sept- (seven)+enn(year)+-ial (形容词词尾)3.september/ /n.九月the ninth month of the year, next after August but the seventh month of the Roman yeare.g. September showers, short periods of rain alternating with hot weather.注恺撒之前的罗马历是以三月（March）为始，共有十个月。当时的七月称为。后来加上了一月（January）、二月（February）而成十二个月，但其余各月的名称并没有改变，只是